Class theClass = NSClassFromString(@"UIGlassButton");
UIButton *theButton = [[[theClass alloc] initWithFrame:CGRectMake(10, 10, 120, 44)] autorelease];
[theButton setValue:[UIColor colorWithHue:0.267 saturation:1.000 brightness:0.667 alpha:1.000] forKey:@"tintColor"];
[self.view addSubview:theButton];
UIGraphicsBeginImageContext(theButton.frame.size);
CGContextRef theContext = UIGraphicsGetCurrentContext();
[theButton.layer renderInContext:theContext];
UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();
NSData *theData = UIImagePNGRepresentation(theImage);
[theData writeToFile:@"/Users/schwa/Desktop/test.png" atomically:NO];
UIGraphicsEndImageContext();